C1111121111331311211331333133313121111331322133313231333132213112223231   >>    C111112111133131121133133313331312111133132213331323133313221311222323   <<    C1111121111331311211331333133313121111331322133313231333132213112223233   >>      C1111121111331311211331333133313121111331322133313231333132213112223232   >>